Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAABJAEAAAABAwF4jZCrJm7Tyz5PgbdQzbWWBqgdMIh7jh/XGT7hUR1krEWbq0p9j1KilafL… (844 chars)"
  }
}